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Finding the Fourth Proportional to 166,506.59, 249,739.11 and 98,157.38

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Solution

The fourth proportional to 166,506.59, 249,739.11 and 98,157.38 is: 147,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,506.59 : 249,739.11 = 98,157.38 : x
  2. Step 2: Convert to fraction form
    166,506.59/249,739.11 = 98,157.38/x
  3. Step 3: Cross multiply
    166,506.59x = 249,739.11 × 98,157.38
  4. Step 4: Simplify right side
    166,506.59x = 24,513,735,472.44
  5. Step 5: Solve for x
    x = 24,513,735,472.44/166,506.59
  6. Step 6: Final answer
    x = 147,223.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.